10666126545 has 16 divisors (see below), whose sum is σ = 17073378240. Its totient is φ = 5686075584.

The previous prime is 10666126531. The next prime is 10666126547. The reversal of 10666126545 is 54562166601.

It is not a de Polignac number, because 10666126545 - 2²⁴ = 10649349329 is a prime.

It is a super-2 number, since 2×10666126545² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10666126497 and 10666126506.

It is not an unprimeable number, because it can be changed into a prime (10666126547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122659 + ... + 190728.

It is an arithmetic number, because the mean of its divisors is an integer number (1067086140).

Almost surely, 2^10666126545 is an apocalyptic number.

10666126545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10666126545 is a deficient number, since it is larger than the sum of its proper divisors (6407251695).

10666126545 is a wasteful number, since it uses less digits than its factorization.

10666126545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315664.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 10666126545 in words is "ten billion, six hundred sixty-six million, one hundred twenty-six thousand, five hundred forty-five".